★ 5.0 Film
Evil Brain from Outer Space
1966
Both explore monster and superhero; both science fiction and action
★ 7.0 Film
Ultraman R/B The Movie: Select! The Crystal of Bond
2019
Both explore kaiju; both science fiction and family
★ 5.2 Film
Hangar 18
1980
Both explore alien; both science fiction and action
★ 6.0 Film
The War in Space
1977
Both explore sequel and alien; both science fiction and action
★ 6.9 Film
Destroy All Monsters
1968
Both explore monster and giant monster; both science fiction and action
★ 6.8 Film
Invasion of Astro-Monster
1965
Both explore monster and giant monster; both science fiction and action